/* 
 * Design System for Cristianismo Humilde
 * Colors: Cream, Charcoal, Olive, Gold
 * Typography: Playfair Display (Serif), Inter (Sans-serif)
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    --color-bg: #F9F7F2;
    --color-text: #2D2D2D;
    --color-text-muted: #5A5A5A;
    --color-accent: #C5A059;
    --color-primary: #4A5D4E;
    --color-white: #FFFFFF;
    --color-nav-bg: rgba(249, 247, 242, 0.9);
    --color-card-bg: #FFFFFF;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
    --color-bg: #121212;
    --color-text: #E0E0E0;
    --color-text-muted: #A0A0A0;
    --color-accent: #D4AF37;
    --color-primary: #8DA392;
    --color-white: #FFFFFF;
    --color-nav-bg: rgba(18, 18, 18, 0.9);
    --color-card-bg: #1E1E1E;
}

/* Base Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

a:focus-visible, 
button:focus-visible, 
[role="button"]:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition-smooth);
    background: transparent;
}

nav.scrolled {
    background: var(--color-nav-bg);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-white);
    text-decoration: none !important;
}

nav.scrolled .logo {
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
    color: var(--color-white);
    text-decoration: none;
}

nav.scrolled .nav-links a {
    color: var(--color-text);
}

.nav-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: #000;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('assets/hero.png') center/cover no-repeat;
    opacity: 0.8;
    transform: scale(1.1);
    transition: transform 10s ease-out;
}

.hero:hover .hero-bg {
    transform: scale(1);
}

.hero-content {
    position: relative;
    color: var(--color-white);
    max-width: 800px;
    z-index: 2;
    padding: 4rem;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0 auto;
    text-align: center;
}

.hero-tagline {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: 1.5rem;
    display: block;
    color: var(--color-accent);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards 0.5s;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s forwards 0.8s;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s forwards 1.1s;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--color-accent);
    color: white;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 0;
    transition: var(--transition-smooth);
    border: 1px solid var(--color-accent);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s forwards 1.4s;
}

.btn:hover {
    background: transparent;
    color: var(--color-accent);
}

/* Sections Styling */
.section-title {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-title .line {
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    margin: 0 auto;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-image {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--color-text-muted);
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-card {
    background: var(--color-card-bg);
    padding: 3rem;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.05);
}

[data-theme="dark"] .feature-card {
    border: 1px solid rgba(255,255,255,0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 2rem;
    display: block;
}

.feature-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    padding: 6rem 0 3rem;
    background: #1a1a1a;
    color: rgba(255,255,255,0.7);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    color: var(--color-white);
}

.footer-links h5 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-smooth);
}

footer a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 0.8rem;
}

/* Toggle Switch Styles */
.controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle, .lang-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-smooth);
    color: var(--color-white);
}

nav.scrolled .theme-toggle {
    color: var(--color-text);
}

.theme-toggle:hover, .lang-toggle:hover {
    color: var(--color-accent);
    transform: scale(1.2);
}

.lang-flag {
    width: 24px;
    height: 18px;
    object-fit: cover;
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.lang-flag:hover {
    transform: scale(1.1);
}

[data-theme="dark"] .nav-links a, 
[data-theme="dark"] .logo,
[data-theme="dark"] .theme-toggle {
    color: var(--color-white);
}

[data-theme="dark"] nav.scrolled .nav-links a, 
[data-theme="dark"] nav.scrolled .logo,
[data-theme="dark"] nav.scrolled .theme-toggle {
    color: var(--color-white);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .nav-links { gap: 1.5rem; }
    .hero-content { padding: 2rem; margin: 0 1rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-nav-bg);
        padding: 2rem;
        border-top: 1px solid rgba(0,0,0,0.05);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .mobile-menu-btn {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--color-white);
    }
    
    nav.scrolled .mobile-menu-btn {
        color: var(--color-text);
    }

    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .section-title h2 { font-size: 2.5rem; }
    .hero h1 { font-size: 2.5rem; }
    .hero-content { padding: 1.5rem; }
    section { padding: 4rem 0; }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-info p {
        margin: 1rem auto;
    }
}

.mobile-menu-btn {
    display: none;
}